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A. A. KRYSZAT. ROTARY ENGINE.

No. 562,405. v Patented JuneZB, .18961.

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A.A.vK,RYsz `A-T.

ROTARY ENGINE'.

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PatentedJune 23, V1896. I

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No. 562,405., Patented June 23, 1896.

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No. 562,405.' 'Patented June 23, 1896.

(No Model.) l 6 Sheets-Sheet i6.

A. A. KRYSZAT.

. ROTARY ENGINE. No. 562,405. Y y Patented June 23, 1896.

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ALBERT AU GU ST KEYS SPECFICATON forming part of Letters 'Patent No. 562,405, dated lTune 23, i896. Application filed May 3,1895. Serial No. 548,003. (llo model.)

spectively, a modified construction of tlie engine.

The motor consists oi a cylinder C, in Wliicli rotates lie piston K, key c onto t e shaft w, 55

'n tlie end plate D Xact description.

This inveni ielates to a rotary engine io driven by steam, gas, or other iluid and prot Wall oi tlie cylindei, li is suit vided itli a nun ber ot inlet and outlet ports gtliened and enlarged at ucli par s situatedbetrveen teetli-like longitudinal rails These'valves serve at be same t me as ab it oi ridges on tli pei liery i tlie pis on an ments and are made i cylindrical cast bodies rotary valves, atint, l o s abutmen s, the Wo ongitudina grooves or 65 steam ot er tu ting iiiiid being tli i s itable cross-sections, an eiiac utilized in sucli m n i at, at eac evolu i the te li a lv tlius re tion, t iston Wo l; tly at full piessuie n li se iotary valves aie driven ioni rind pai Witli npansioii. Consequently t the cylinder by cog-Wheels inoun 'e tlie Worlr ng is not only ve 1y uniform, ut tlie their sliaits,an engaging itli a cog-wlie l 7o 2o consunip ion ri team or tlie fluid is most d on tli inain slia rI lie ircumiei economi al. e steam-mie ports (presumal velocity oi the piston that or tlie ro i gtliat steam t be tlie ctu t gmed um) y val es, i the exampl lioW in are in direct coin unica io with tlie cliests drawings, o to tlii rlliis ielation oi said rotary valves. 'lli engine is staited, of the pis t the valves termine y 75 25 stopped, orreversedby correspondingly turne num valves te tli emp oyed ing a three-Way cock in connection i i Longitudinal slots connect lie gr oves with cliest ot one of tlie rotary valve O tlettlie spac 'i s' etiie valves and ive as steam ports, corresponding in num to tlie inletports.

' ne oi tlie cylinderrl`lie steam is admitted to tlie rotary slides 8o er' Ports e' e2, o t e in tlie vfollowing inann 'if 2 and arranged opposite in cli outlet-ports communicatin two riinnular pipes arrang tlie outer end rm slioWn in ig. late oi tlie yli d i 'lliese two pi acli otlier, are p ided in tlie enlarged parts nnected by ine s a three-W cool; and ot tlie cylind r a l valve-chess are fulfil tlie inno soi exhaust-pip tli so connected by Li 2, c mmon to all, S 35 as enliau io e orWaid Work 0 and tlie Us and 2, 'iii tbe p pes 2 communicate tlier ici i b ck ard Wo ling with tlie valve-p t nd r' uitln tbe eine. One, tlieieiore, s alwaysc orts e2 2 c2. Th three-Way coc ce, Fig. 3, tlie ot er is act ng xliai st. he tliieeconsegue tly admits tlie s ea the ports Way cock ici' reversing tlie engine is e e' o ter being tur ed tlie otlier Way, 4o ed by any uitabl means Witli tlie three-Way into tlie por s 2 e2 e2. Seeing tliat tlie tlireecock tlirougli c tlie steam mi ook de is also connected by lever or Consequently, rn'ingn lr tlie otliei tlier suitable mean Q ot shown in tlie drawsiinultaneo l turned accord ngly. ings) t cock da, t e ts oi tlie ior Referring l e accompany g r mer a aiticipatec i l latter nd tliul 45 Fig ire l is a ci s ver cal section o tlie innei liaus t2 end tlie outei ex tor; Fig. il, alongitudiiial sect on online liaust-pip R' ie b g t nto or ou oi. cor F g. l. Fig i a acl; view. igs. nection according y The object of siicli a rne diagra sliovvingtlie relative po ianoeine is rend `it possibi to revei ci tlie rotaiy val es and teetli oi ric tlie engi e t ll by simply turning co Figs For eng alway veil; iii one 1 cl v lve-cliest is piovided wi 562,405 only one port e, which is connected with pasthe cocks are only half open. 11 turning sages e of the other ro lve-chests by pi e hese coc is to the full extent, however, the

he tu -wayc ck 1s then substituted by ports e e d a a are losed and e2 e2 7o an ordina y falve, and e o` e eXhaustas well as a2 a2 a2 op ed. T 5 pipes R 2 is dispensed with.

The 1n tor lsho vn ianged f r passes from e2 to t e piston still rotatingin the opposite direction by Virtue Of 1 acts as a brake 011 s o change its dir the drawings is arirections and operates in th way cock de is s vov 1 in such a po 1o steam isa 1nl 1 e `viz., on 1 tates from left to right. As shown in Fig. l, -he too 1 or .rid just abo to be ted on y the steam g through the port e. he tooth 7a2 15 works with full 1 1e wa- 75 end plates are provided with annu ar passages m, Fin' through which the l' suitably-formed por s n es tablish'n' munication with the l' ranging or adjusting' the three` o ports n co1 cock-de for the fo 1 1 way r vaid W 1k 111g of the ene., for admitting the stea ports e t t 'ons of e 1 ary valves S0 ng a complete revolu piston.

the steam roo tion of the 1b cylinder.

The steam are arranged ing of same by the piston-ridges valves is effected i e ner, whether the g1 g 111 the om nencinp. At 7a4 forward or backward direction. The

age offered by such modified construction is lat a ver reftecti et is obtained gulation of the e g nc or operation ary valves is simplified. It will be evident t 1e open- 1o 5 IIO ve may be used, 115 e size of the mot i or, the powe1 '1 iatio f expansion n o otheriiui tfol ows7 tl1e1e l 1e st 1 o t t oi at if that the greater the l en ns of the he p lod of expansion ommences motor, by rranging a lalgernu ber of 1o- 12o At 7c3 st a out to be ad1 tted while 7c taiy valves and teeth or ridges n the pis on 1s working Xpan ion. g. Y he a considerablym re fav lable ult is at earn i about t b out off ai 7,3 when the alned tha can b ieached wit smaller en period expans o mene s. the mes of this olas. In 1der to ct a unl 5 eam com ences t be a lmitted wl le h5 is Wolking and 11 cononiical consum 1- 125 i vorking w1tl1 eXpa on. ion of a n or other l employ d, it is hen th iston is rotating in opposite diabsolutely eccssaryeithel to range the ro ection, the several relative osi ions of th a1y valv s t u equal dista 1 art, o1 e and vcl es are reversed in exactly the hensuch vos are at equal d1stan s apart lme ordel as above. Y p o p1 ov d nequal or differ t number rg0 n turning he three-way cocks de and da o valves and teeth or ridges on th piston 5; r reversing the direction of e piston, the By th alranglng the valves a f 1tl1er ad j am passes through the inlet and outlet yantage 1s secu ed* iz., th on opcninD the E ssages without operating the motor, when hree-wa f cock de d (Za tl equal distances apart acting as controlling-v valves and the abutments and teeth being arranged relatively to each other so that thev steam will be acting at full pressure against one tooth of the piston while the steam will be acting expansively on the other tooth, said steam being then cut off by the corresponding abutment, the said casing having an inletport for each abutment which is controlled thereby.

2. In combination, the cylinder, the piston, the inlet-ports e' e2 the rotary abutment-valve controlling said ports and forming the inletvalve, the exhaust-ports a and 0,2 on opposite sides of the abutment-valve and means for opening and closing the ports e' ce and e2 CL2, said abutment having opposite recesses with the port extending diametrically through the abutment and the ports e e2 being arranged on each side of the port of the abutment substantially as described.

In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses. V ALBERT AUGUST KRYSZAI.

Vitnesses: Y

ARTHUR BAERMANN, ALFRED MEISTER. 

